DGS-1248T Firmware Release Note  
Firmware: v3.00.11
Hardware: B1
Date: Dec. 10th, 2007

Problems Resolved:
1. Fix the bug if users enabled SNMP Trap settings after few hours of operation that switch will not respond the Ping or Web request, but the packet switching works normally.
2. Fix the issue when generating lot of leave messages in IGMP snooping, the switch will not respond the Ping or Web request after few hours of operation.
3. Fix the bug of invalid VLAN group setting over 64 groups
4. Fix the bug of invalid IGMP parameter settings, especially for Query Interval, Max Response Time, Robustness Variable and Last Member Query Interval.

Enhancements:
No
================================================================
Firmware: v3.00.07
Hardware: B1
Date: February 15, 2007

Problems Resolved:
No

Enhancements:
1. Enable the "Flow Control" option in GUI making it configurable to the user.

================================================================
Firmware: v3.00.06
Hardware: B1
Date: Sep. 14, 2006

Problems Resolved:
No

Enhancements:
1. Brand new black & silver outlook and new Web GUI
2. Hardware is compliant with RoHS
3. The maximum length of Jumbo Frame is up to 9220 Bytes
4. Support IGMP snooping
5. Support 802.1x Port-based Access Control
6. Support Broadcast Storm Control
7. Support Static Mac
8. Support Safeguard Engine 
9. Support DHCP client for both Web GUI and SmartConsole Utility
10. Can reboot switch via Web GUI
11. Support firmware Backup and Upload via Web GUI

Note: 
1. The firmware v3.00.06 is not backward compatible with previous hardware v.Ax.

=================================================================
Firmware: v2.01.03
Hardware: A2/A1
Date: May 24, 2006

Problems Resolved:
No

Enhancements:
1. Hardware is compliant with RoHS.
2. Software features are unchanged.

Note: 
1. New firmware is backward compatible with previous hardware.
2. If users upgrade New firmware to device, the device cannot be downgraded to old firmware
===============================================================
Firmware: v2.00.15
Hardware: A1
Date: August 29, 2005

Problems Resolved:
No

Enhancements:
1. Support SNMP v1(Private MIB,RFC1213) 
2. Support 802.1D Spanning Tree
3. Migrate Port-based QoS to 802.1P QoS
4. Support Jumbo Frame (Maximum length is 9000 bytes)
=================================================================
Firmware: v1.00.00
Hardware: A1
Date: Oct. 20, 2004

Problems Resolved:
1.First release

Enhancements:
No